Display system of vehicle and method of driving the same

ABSTRACT

Disclosed herein are a display system of a vehicle and a method of driving the same. The display system includes a plurality of camera modules configured to capture a front side, a rear side, a rear left side, and a rear right side relative to the vehicle and generate image data, a plurality of display panels configured to receive the image data and display front side images, rear side images, rear left side images, and rear right side images relative to the vehicle, a driver pupil detection sensor configured to sense a pupil of a driver and generate pupil position data, a driver posture detection sensor configured to sense a position of the driver, a body direction thereof, and a head height thereof and generate posture data, a calculator configured to calculate a position of a field of view of the driver on the basis of the pupil position data and the posture data and generate a display correction value on the basis of the position of the field of view, and a display correction device configured to adjust a horizontal tilt and a vertical tilt of each of the plurality of display panels on the basis of the display correction value.

CROSS-REFERENCE TO RELATED APPLICATION

This application claims the benefit of Korean Patent Application No.2017-0029043, filed on Mar. 7, 2017 in the Korean Intellectual PropertyOffice, the disclosure of which is incorporated herein by reference.

BACKGROUND 1. Field

Embodiments of the present disclosure relate to a display system of avehicle and a method of driving the same, and more particularly, to adisplay system of a vehicle, which is capable of improving visibility ofvehicle surroundings by automatically correcting a tilt of a displaydevice configured to replace or assist a side mirror, and a method ofdriving the same.

2. Description of the Related Art

Generally, side mirrors for observing traffic conditions in left andright rear sides of a vehicle are installed at both outer sides of thevehicle. The side mirrors are provided to significantly protrude to theoutside of the vehicle so as to ensure a sufficient view of the left andright rear sides.

Recently, a method has been proposed in that a display module such as aliquid crystal display (LCD) is additionally installed with a sidemirror to display camera images. However, a conventional electric mirrorsystem has a problem in that a display module for displaying left andright rear images captured through a camera is fixed without regard to astate of a driver thereby causing degraded visibility of vehiclesurroundings.

SUMMARY

Therefore, it is an aspect of the present disclosure to provide adisplay system of a vehicle, which is capable of automaticallycorrecting a tilt of a display device according to a state of a driver,and a method of driving the same.

Additional aspects of the present disclosure will be set forth in partin the description which follows and, in part, will be obvious from thedescription, or may be learned by practice of the disclosure.

In accordance with one aspect of the present disclosure, a displaysystem of a vehicle includes a plurality of camera modules configured tocapture a front side, a rear side, a rear left side, and a rear rightside relative to the vehicle and generate image data, a plurality ofdisplay panels configured to receive the image data and display frontside images, rear side images, rear left side images, and rear rightside images relative to the vehicle, a driver pupil detection sensorconfigured to sense a pupil of a driver and generate pupil positiondata, a driver posture detection sensor configured to sense a positionof the driver, a body direction thereof, and a head height thereof andgenerate posture data, a calculator configured to calculate a positionof a field of view of the driver on the basis of the pupil position dataand the posture data and generate display correction values on the basisof the position of the field of view, and a display correction deviceconfigured to adjust a horizontal tilt and a vertical tilt of each ofthe plurality of display panels on the basis of the display correctionvalues.

The plurality of display panels may include a first display panelconfigured to display the front side images relative to the vehicle, asecond display panel configured to display the rear side images relativeto the vehicle, a third display panel configured to display the rearleft side images relative to the vehicle, and a fourth display panelconfigured to display the rear right side images relative to thevehicle.

The display correction device may adjust the vertical tilt of each ofthe first to fourth display panels in an upward direction or a downwarddirection on the basis of the display correction values.

The display correction device may adjust the horizontal tilt of each ofthe first to fourth display panels in a left direction or a rightdirection on the basis of the display correction values.

The calculator may include a memory configured to store driver learningresult data, which is obtained by learning a height, a body type, aposture, a face size, an interorbital width, and an eye shape of each ofa plurality of people, and calculate an absolute position of the fieldof view of the driver on the basis of the learning result data.

In accordance with another aspect of the present disclosure, a displaysystem of a vehicle includes a camera module configured to capturevehicle surroundings, a display panel configured to display imagescaptured through the camera module, a driver pupil detection sensorconfigured to sense a pupil of a driver, a driver posture detectionsensor configured to sense the posture of the driver, a calculatorconfigured to calculate display correction values of the display panelon the basis of the sensed pupil of the driver and the sensed posturethereof, and a display correction device configured to adjust thehorizontal tilt and the vertical tilt of the display panel according tothe calculated display correction values.

In accordance with still another aspect of the present disclosure, amethod of driving a display system of a vehicle, the method includingsensing a pupil of a driver and generating pupil position data, sensinga posture of the driver, a body direction thereof, and a head heightthereof and generating driver posture data, calculating a position of afield of view of the driver on the basis of the pupil position data andthe driver posture data, generating display correction values on thebasis of the position of the field of view of the driver, and adjustingthe horizontal tilt and the vertical tilt of each of a plurality ofdisplay panels disposed at the vehicle on the basis of the displaycorrection values.

The method may further include adjusting the vertical tilt of each ofthe plurality of display panels in an upward direction or a downwarddirection on the basis of the display correction values.

The method may further include adjusting the horizontal tilt of each ofthe plurality of display panels in a left direction or a right directionon the basis of the display correction values.

The method may further include storing driver learning result data,which is obtained by learning a height, a body type, a posture, a facesize, an interorbital width, and an eye shape of each of a plurality ofpeople, in a memory, and calculating an absolute position of the fieldof view of the driver on the basis of the driver learning result data.

In accordance with yet another aspect of the present disclosure, amethod of driving a display system of a vehicle, the method includingsensing a pupil position of a driver, sensing a posture of the driver,and adjusting at least one of a horizontal tilt and a vertical tilt of adisplay device on the basis of the sensed pupil position of the driverand the sensed posture thereof.

BRIEF DESCRIPTION OF THE DRAWINGS

These and/or other aspects of the present disclosure will becomeapparent and more readily appreciated from the following description ofthe embodiments, taken in conjunction with the accompanying drawings ofwhich:

FIG. 1 is a diagram illustrating a display system of a vehicle accordingto an embodiment of the present disclosure;

FIG. 2 is a diagram illustrating a display device shown in FIG. 1;

FIGS. 3 and 4 are diagrams illustrating a case in which a vertical tiltof each of a left side display panel and a right side display panel isadjusted;

FIGS. 5 and 6 are diagrams illustrating a case in which a horizontaltilt of each of the left side display panel and the right side displaypanel is adjusted; and

FIG. 7 is a flowchart illustrating a method of driving a display systemof a vehicle according to an embodiment of the present disclosure.

DETAILED DESCRIPTION

Hereinafter, embodiments of the present disclosure will be fullydescribed in a detail which is suitable for implementation by thoseskilled in the art with reference to the accompanying drawings. Thepresent disclosure may be implemented in various different forms, andthus it is not limited to embodiments which will be described herein.

In order to clearly describe the present disclosure, some portions notrelated to the description will be omitted and not be shown, and thesame reference numerals are given to the same or similar componentsthroughout the disclosure.

Throughout the disclosure, when a portion is referred to as being“connected to” another portion, this includes a case in which theportion is “directly connected to” another portion as well as a case inwhich the portion is “electrically connected to” the other portion byinterposing another element therebetween. Further, when a component isreferred to as being “included in” a portion, this does not mean thatthe component is excluded, but rather that other components arecontained therein.

When a portion is referred as being “on” other portion, the portion maybe directly on the other portion or another portion may be interposedtherebetween. Contrarily, when a portion is referred to as being“directly above” other portion, another portion is not interposedtherebetween.

Terms first, second, and third, and the like are used to describevarious portions, components, regions, layers, and/or sections, but arenot limited thereto. These terms are used only to distinguish a portion,a component, region, layer, or section from another portion, component,region, layer, or section. Therefore, a first portion, component,region, layer, or section, which will be described below, may bereferred to as a second portion, component, region, layer, or sectionwithout departing from the scope of the present disclosure.

Technical terms used herein are intended to describe only specificembodiments and not intended to limit the present disclosure. As usedherein, the singular forms include the plural forms unless the contextclearly indicates otherwise. The meaning of “including” used herein isintended to specify a specific feature, region, integer, step,operation, element, and/or component, and not intended to exclude thepresence or addition of other feature, region, integer, step, operation,element, and/or component.

Terms indicating a relative space, such as “below,” “above,” and thelike, may be used to more easily describe a relationship of a portionshown in the drawing with respect to another portion. These termsinclude alternative meanings or operations of a device in use, as wellas intended meanings thereof in the drawings. For example, when a deviceshown in the drawing is turned upside down, some portions described asbeing “below” other portions will be described as being “above” theother portions. Thus, an exemplary term “below” includes both upward anddownward directions. A device can be rotated by 90° or other differentangles, and thus terms indicating a relative space should be construedaccording to the rotation of the device.

Unless defined otherwise, all terms including technical and scientificterms used herein have the same meanings as commonly understood by thoseskilled in the art to which the present invention pertains. Terms beingcommonly used and defined in a dictionary should further be construed ashaving meanings consistent with the relevant technical documents and thepresent disclosure, and not be construed as ideal or strictly formalmeanings unless defined otherwise.

Hereinafter, embodiments of the present disclosure will be fullydescribed in a detail which is suitable for implementation by thoseskilled in the art with reference to the accompanying drawings. Thepresent disclosure may, however, be implemented in various differentforms, and thus it is not limited to embodiments to be described herein.

FIG. 1 is a diagram illustrating a display system of a vehicle accordingto an embodiment of the present disclosure.

Referring to FIG. 1, a display system 100 of a vehicle according to theembodiment of the present disclosure includes a driver pupil detectionsensor 110, a driver posture detection sensor 120, a calculator 130, adisplay correction device 140, a display device 150, a first cameramodule 160, a second camera module 170, a third camera module 180, and afourth camera module 190.

The driver pupil detection sensor 110 is disposed inside the vehicle toface a driver and detects a pupil of the driver to determine a positionof the pupil. A camera may be applied as the driver pupil detectionsensor 110, and the driver pupil detection sensor 110 may detect theposition of the pupil by emitting infrared rays toward the pupil. Here,the driver pupil detection sensor 110 may detect each of positions ofleft and right pupils of the driver to generate pupil position data ofthe driver. The pupil position data may include pupil position, pupilcoordinates, gaze, and the like on a face of the driver.

The driver pupil detection sensor 110 transmits the pupil position datato the calculator 130.

The driver posture detection sensor 120 senses a posture of the driver.

The driver posture detection sensor 120 may include a plurality ofweight detection sensors disposed inside a driver seat and a camerasensor disposed ahead of the driver.

The plurality of weight detection sensors constituting the driverposture detection sensor 120 sense a weight of the driver. At thispoint, the posture of the driver is determined according to the weightdetected by the plurality of weight detection sensor 120 disposed atdifferent location in the driver seat. Further, the camera sensorconstituting the driver posture detection sensor 120 captures the driversitting in the driver seat, and then the driver posture detection sensor120 senses a head height of the driver and a sitting height thereof anddetermines whether a body of the driver faces a front side or isinclined to a left side or a right side. At this point, when the body ofthe driver is inclined to the left side or the right side, the driverposture detection sensor 120 senses how far the body is inclined to theleft side or the right side on the basis of the front side. The driverposture detection sensor 120 generates posture data includinginformation on a position of the driver, a body direction thereof, andthe head height thereof and transmits the generated posture data to thecalculator 130.

The calculator 130 may calculate display correction values of thedisplay device 150 so as to improve visibility for the driver using thepupil position data and the posture data. The calculator 130 calculatesa field of view of the driver on the basis of the pupil position datareceived from the driver pupil detection sensor 110 and the posture datareceived from the driver posture detection sensor 120. The field of viewof the driver may include a position of the field of view thereof. Theposition of the field of view of the driver may include a relativeposition or an absolute position of the field of view of the driver.

Since a height, a body type, a posture, a face size, an interorbitalwidth, and an eye shape are different for each person, a height, a bodytype, a posture, a face size, an interorbital width, and an eye shape ofeach of a plurality of people were learned in advance through a neuralnetwork algorithm such as deep learning, and learning result data forthe driver was stored in a memory of the calculator 130. The calculator130 calculates the position of the field of view of the driver using thelearning result data for the body type, the posture, the face size, theinterorbital width, and the eye shape of each of the plurality ofpeople.

The calculator 130 may calculate the display correction values of thedisplay device 150 using the field of view of the driver. The calculator130 may calculate the display correction values of the display device150 using the field of view of the driver, and current position valuesand tilted values of the display device 150 so as to improve visibilityfor the driver.

The calculator 130 calculates the display correction values of thedisplay device 150 using position values of the field of view of thedriver. The calculator 130 may calculate the display correction valuesof the display device 150 using the position values of the field of viewof the driver, and the current position values and the tilted values ofthe display device 150.

The calculator 130 transmits the calculated display correction values tothe display correction device 140. Here, a vertical tilt and ahorizontal tilt of each of a plurality of display panels constitutingthe display device 150 may be adjusted using the display correctionvalues. That is, the display correction values include data on how muchthe vertical tilt and the horizontal tilt of each of the plurality ofdisplay panels are adjusted.

The first camera module 160 is disposed inside or outside the vehicle soas to capture images of a front side ahead of the vehicle and capturesthe images of the front side ahead of the vehicle to generate front sideimage data. The front side image data generated in the first cameramodule 160 is transmitted to the display device 150.

The second camera module 170 is disposed inside or outside the vehicleso as to capture images of a rear side behind the vehicle and capturesthe images of the rear side behind the vehicle to generate rear sideimage data. The rear side image data generated in the second cameramodule 170 is transmitted to the display device 150.

The third camera module 180 is disposed inside or outside the vehicle soas to capture images of a rear left side beside the vehicle and capturesthe images of the rear left side beside the vehicle to generate rearleft side image data. The rear left side image data generated in thethird camera module 180 is transmitted to the display device 150.

The fourth camera module 190 is disposed inside or outside the vehicleso as to capture images of a rear right side beside the vehicle andcaptures the images of the rear right side beside the vehicle togenerate rear right side image data. The rear right side image datagenerated in the fourth camera module 190 is transmitted to the displaydevice 150.

FIG. 2 is a diagram illustrating the display device 150 shown in FIG. 1.

Referring to FIG. 2, the display device 150 is disposed inside thevehicle, and as an example, the display device 150 may be embedded in adashboard. The display device 150 includes a first display module 152, asecond display module 154, a third display module 156, a fourth displaymodule 158, and a drive circuit (not shown) configured to drive thefirst to fourth display modules 152, 154, 156, and 158.

The first display module 152 displays front side images ahead of thevehicle using the front side image data received from the first cameramodule 160.

The second display module 154 displays rear side images behind thevehicle using the rear side image data received from the second cameramodule 170.

The third display module 156 displays rear left side images beside thevehicle using the rear left side image data received from the thirdcamera module 180.

The fourth display module 158 displays rear right side images beside thevehicle using the rear right side image data received from the fourthcamera module 190.

Referring back to FIG. 1, the display correction device 140 adjusts avertical tilt and a horizontal tilt of each of the first display module152 configured to display the front side images, the second displaymodule 154 configured to display the rear side images, the third displaymodule 156 configured to display the rear left side images, and thefourth display module 158 configured to display the rear right sideimages on the basis of the received display correction values.

FIGS. 3 and 4 are diagrams illustrating a case in which a vertical tiltof each of a left side display panel and a right side display panel isadjusted. FIGS. 3 and 4 illustrate and describe an example in which avertical tilt of each of the third display module 156 configured todisplay the rear left side images and the fourth display module 158configured to display the rear right side images is adjusted.

Referring to FIG. 3, the display correction device 140 may adjust thevertical tilt of each of the third display module 156 configured todisplay the rear left side images and the fourth display module 158configured to display the rear right side images in a downward direction(e.g., a negative direction) on the basis of the received displaycorrection values.

The display correction device 140 may adjust the vertical tilt of thethird display module 156 in the downward direction such that the thirddisplay module 156 shown in FIG. 3(a) may be adjusted to that shown inFIG. 3(b).

The display correction device 140 may adjust the vertical tilt of thefourth display module 158 in the downward direction such that the fourthdisplay module 158 shown in FIG. 3(c) may be adjusted to that shown inFIG. 3(d).

Referring to FIG. 4, the display correction device 140 may adjust thevertical tilt of each of the third display module 156 configured todisplay the rear left side images and the fourth display module 158configured to display the rear right side images in an upward direction(e.g., a positive direction) on the basis of the received displaycorrection values.

The display correction device 140 may adjust the vertical tilt of thethird display module 156 in the upward direction such that the thirddisplay module 156 shown in FIG. 4(a) may be adjusted to that shown inFIG. 4(b).

The display correction device 140 may adjust the vertical tilt of thefourth display module 158 in the upward direction such that the fourthdisplay module 158 shown in FIG. 4(c) may be adjusted to that shown inFIG. 4(d).

Although not shown in FIGS. 3 and 4, the display correction device 140may adjust the vertical tilt of each of the first display module 152configured to display the front side images and the second displaymodule 154 configured to display the rear side images on the basis ofthe received display correction values.

FIGS. 5 and 6 are diagrams illustrating a case in which a horizontaltilt of each of the left side display panel and the right side displaypanel is adjusted. FIGS. 5 and 6 illustrate and describe an example inwhich the horizontal tilt of each of the third display module 156configured to display the rear left side images and the fourth displaymodule 158 configured to display the rear right side images is adjusted.

Referring to FIG. 5, the display correction device 140 may adjust thehorizontal tilt of each of the third display module 156 configured todisplay the rear left side images and the fourth display module 158configured to display the rear right side images in a left direction(e.g., a negative direction) on the basis of the received displaycorrection values.

The display correction device 140 may adjust the horizontal tilt of thethird display module 156 in the left direction such that the thirddisplay module 156 shown in FIG. 5(a) may be adjusted to that shown inFIG. 5(b).

The display correction device 140 may adjust the horizontal tilt of thefourth display module 158 in the left direction such that the fourthdisplay module 158 shown in FIG. 5(c) may be adjusted to that shown inFIG. 5(d).

Referring to FIG. 6, the display correction device 140 may adjust thehorizontal tilt of each of the third display module 156 configured todisplay the rear left side images and the fourth display module 158configured to display the rear right side images in a right direction(e.g., a positive direction) on the basis of the received displaycorrection values.

The display correction device 140 may adjust the horizontal tilt of thethird display module 156 in the right direction such that the thirddisplay module 156 shown in FIG. 6(a) may be adjusted to that shown inFIG. 6(b).

The display correction device 140 may adjust the horizontal tilt of thefourth display module 158 in the right direction such that the fourthdisplay module 158 shown in FIG. 6(c) may be adjusted to that shown inFIG. 6(d).

Although not shown in FIGS. 5 and 6, the display correction device 140may adjust the horizontal tilt of each of the first display module 152configured to display the front side images and the second displaymodule 154 configured to display the rear side images on the basis ofthe received display correction values.

As described above, the display system 100 of a vehicle according to theembodiment of the present disclosure automatically corrects the verticaltilt and the horizontal tilt of each of the plurality of display panelsconstituting the display device 150 according to the height of thedriver, such that visibility of vehicle surroundings can be improved.Further, the display system 100 automatically corrects the vertical tiltand the horizontal tilt of each of the plurality of display panelsconstituting the display device 150 according to the posture of thedriver, such that the visibility of the vehicle surroundings can beimproved. Furthermore, the display system 100 automatically corrects thevertical tilt and the horizontal tilt of each of the plurality ofdisplay panels constituting the display device 150 according to thefield of view of the driver, such that the visibility of the vehiclesurroundings can be improved.

FIG. 7 is a flowchart illustrating a method of driving a display systemof a vehicle according to an embodiment of the present disclosure.

Referring to FIG. 7, a pupil of the driver is sensed through the driverpupil detection sensor 110 (operation 10). A camera may be applied asthe driver pupil detection sensor 110, and the driver pupil detectionsensor 110 may detect a position of the pupil by emitting infrared raystoward the pupil. Here, the driver pupil detection sensor 110 may detecteach of positions of left and right pupils of the driver and generatepupil position data of the driver. The driver pupil detection sensor 110transmits the pupil position data to the calculator 130.

Subsequently, a weight of the driver is detected through the driverposture detection sensor 120, and the posture of the driver isdetermined according to the weight detected by the plurality of weightdetection sensor 120 disposed at different location in the driver seat.Further, the camera sensor constituting the driver posture detectionsensor 120 captures the driver sitting in the driver seat, and then thedriver posture detection sensor 120 senses a head height of the driverand a sitting height thereof and estimates whether a body of the driverfaces a front side or is inclined to a left side or a right side tosense a posture of the driver (operation 20).

At this point, when the body of the driver is inclined to the left sideor the right side, the driver posture detection sensor 120 senses howfar the body is inclined to the left side or the right side on the basisof the front side. The driver posture detection sensor 120 generatesposture data of the driver including information on the posture of thedriver, a body direction thereof, and the head height thereof, andtransmits the generated posture data to the calculator 130.

Subsequently, the calculator 130 calculates a field of view of thedriver on the basis of the pupil position data received from the driverpupil detection sensor 110 and the posture data received from the driverposture detection sensor 120 (operation 30).

Here, the calculator 130 calculates the field of view of the driverusing learning result data for a body type, a posture, a face size, aninterorbital width, and an eye shape of each of a plurality of people.

Next, the calculator 130 calculates display correction values using thefield of view of the driver (operation 40).

Then, the calculator 130 transmits the calculated display correctionvalues to the display correction device 140. Here, a vertical tilt and ahorizontal tilt of each of a plurality of display panels constitutingthe display device 150 may be adjusted using the display correctionvalues. That is, the display correction values include data on how muchthe vertical tilt and the horizontal tilt of each of the plurality ofdisplay panels are adjusted.

Subsequently, the display correction device 140 adjusts the verticaltilt and the horizontal tilt of each of the first display module 152configured to display front side images, the second display module 154configured to display rear side images, the third display module 156configured to display rear left side images, and the fourth displaymodule 158 configured to display rear right side images on the basis ofthe received display correction values (operation 50).

As shown in FIGS. 3 and 4, the display correction device 140 may adjustthe vertical tilt of each of the third display module 156 configured todisplay the rear left side images and the fourth display module 158configured to display the rear right side images in a downward direction(e.g., a negative direction) or an upward direction (e.g., a positivedirection) on the basis of the received display correction values.

As shown in FIGS. 5 and 6, the display correction device 140 may adjustthe horizontal tilt of each of the third display module 156 configuredto display the rear left side images and the fourth display module 158configured to display the rear right side images in a left direction(e.g., a negative direction) or a right direction (e.g., a positivedirection) on the basis of the received display correction values.

As described above, the method of driving a display system of a vehicleaccording to the embodiment of the present disclosure automaticallycorrects the vertical tilt and the horizontal tilt of each of theplurality of display panels constituting the display device 150according to a state of the driver such as the height of the driver, theposition thereof, the field of view thereof, and the like, such thatvisibility of vehicle surroundings can be improved.

As is apparent from the above description, the vertical tilt and thehorizontal tilt of the display device can be automatically correctedaccording to a height of a driver such that visibility of vehiclesurroundings can be improved.

Further, in accordance with the embodiments of the present disclosure,the vertical tilt and the horizontal tilt of the display device can beautomatically corrected according to a position of the driver such thatthe visibility of the vehicle surroundings can be improved.

Furthermore, in accordance with the embodiments of the presentdisclosure, the vertical tilt and the horizontal tilt of the displaydevice can be automatically corrected according to a field of view ofthe driver such that the visibility of the vehicle surroundings can beimproved.

Those skilled in the art to which the present disclosure pertains willappreciate that specific other forms can be devised without departingfrom the technical spirit or essential feature of the present disclosuresuch that the above-described embodiments should be construed asillustrative rather than determinative in all aspects thereof. The scopeof the present disclosure is defined by the appended claims rather thanthe above detailed description, and it should be construed that allalternations and modifications derived from the meanings, ranges, andequivalents of the claims will fall within the scope of the presentdisclosure.

In one or more exemplary embodiments, the described functions may beimplemented in hardware, software, firmware, or any combination thereof.When implemented in software, these functions may be stored in ortransmitted to a computer-readable medium as one or more commands orcodes. The computer-readable media includes both a communication mediumand a storage medium which include any medium that facilitates transferof a computer program from one place to another. The storage medium maybe any usable medium which is accessible by a computer. As an examplerather than a limitation, such computer-readable medium may include arandom access memory (RAM), a read only memory (ROM), an electricallyerasable and programmable read only memory (EEPROM), a compact disc readonly memory (CD-ROM), other optical disk storage, a magnetic diskstorage, other magnetic storage devices, or any other medium which canbe used to transmit or store a desired program code in a form of acommand or a data structure, and be accessible by a computer. Also, anyconnection is properly referred to as a computer-readable medium. Forexample, when software is transmitted from a web site, a server, orother remote source using a coaxial cable, an optical fiber cable, atwisted pair cable, a digital subscriber line (DSL), or wirelesstechniques using infrared, radio, and ultra-high frequencies, thedefinition of a computer-readable medium includes the coaxial cable, theoptical fiber cable, the twisted pair cable, the DSL, or the wirelesstechniques such as infrared, radio, and ultra-high frequencies. Disksand discs as used herein include a compact disc (CD), a laser disc, anoptical disc, a digital versatile disc (DVD), a floppy disk, and ablue-ray disc, and the disks magnetically reproduce data while the discsoptically reproduce data. A combination of the above-described disks anddiscs should also be included within the scope of the computer-readablemedium.

When the embodiments are implemented in a program code or code segments,the code segment should be recognized to represent a procedure, afunction, a subprogram, a program, a routine, a subroutine, a module, asoftware package, a class, commands, data structures, or any combinationof program instructions. The code segment may be connected to anothercode segment or a hardware circuit by transmitting and/or receivinginformation, data, arguments, parameters, or memory contents. Theinformation, the arguments, the parameters, and the data may bedelivered, sent, or transmitted using any suitable means including amemory sharing, a message passing, a token passing, networktransmission, and the like. Alternatively, in terms of certain aspects,steps and/or operations of a method or an algorithm may reside on amachine-readable medium and/or a computer-readable medium, which is/areintegratable as a computer program object, as one of codes and/orcommands, or any combination or set of the codes and/or the commands.

In a software implementation, the techniques described herein may beimplemented with modules (for example, procedures, functions, and thelike) which perform the functions described herein. Software codes maybe stored in memory units and be executed by processors. The memoryunits may be internally or externally implemented in the processor, andin this case, the memory units may be communicatively connected to theprocessor by various known means.

In a hardware implementation, processing units may be implemented in oneor more application specific integrated circuits (ASICs), digital signalprocessors (DSPs), digital signal processing devices (DSPDs),programmable logic devices (PLDs), field programmable gate arrays(FPGAs), processors, controllers, micro controllers, microprocessors,other electronic units designed to perform the above-describedfunctions, or a combination thereof.

The foregoing includes examples of one or more embodiments. Since it isimpossible to describe all possible combinations of components ormethods for purposes of describing the above-described embodiments,those skilled in the art will recognize that many additionalcombinations and substitutions of various embodiments are possible.Therefore, the above-described embodiments include all alterations,modifications, and reformations which fall within the spirit and scopeof the appended claims. Further, to the extent in that the term“including” is used in the detailed description or the claims, such aterm is intended to be inclusive in a manner similar to that the term“comprising” is construed as a transitional word when used in theclaims.

Furthermore, as used in this application, the terms “component,”“module,” “system,” and the like include computer-related entity such ashardware, firmware, a combination of hardware and software, software, orsoftware being executed, but the terms are not limited thereto. Forexample, the component may be a process running on a processor, aprocessor, an object, an executable execution thread, a program, and/ora computer, but the component is not limited thereto. For example, bothof a computing device and application running on the computing devicemay be components. One or more components may reside within a processand/or an execution thread, and the components may be centralized on asingle computer and/or distributed between two or more computers.Further, these components may be executed from various computer-readablemedium storing various data structures. The components may becommunicated by a local and/or remote process according to a signalhaving one or more data packets (e.g., data sent from any component andinteracting with other system via a network such as the Internet byother component and/or a signal of a local system or a distributedsystem).

What is claimed is:
 1. A display system of a vehicle, comprising: aplurality of camera modules configured to capture a front side, a rearside, a rear left side, and a rear right side relative to the vehicleand generate image data; a plurality of display panels configured toreceive the image data and display a front side image, a rear sideimage, a rear left side image, and a rear right side image relative tothe vehicle; a driver pupil detection sensor configured to sense a pupilof a driver and generate pupil position data; a driver posture detectionsensor configured to sense a position of the driver, a body directionthereof, and a head height thereof and generate posture data; acalculator configured to calculate a position of a field of view of thedriver on the basis of the pupil position data and the posture data, andgenerate a display correction value on the basis of the position of thefield of view; and a display correction device configured to adjust ahorizontal tilt and a vertical tilt of each of the plurality of displaypanels on the basis of the display correction value.
 2. The system ofclaim 1, wherein the plurality of display panels includes: a firstdisplay panel configured to display the front side image relative to thevehicle; a second display panel configured to display the rear sideimage relative to the vehicle; a third display panel configured todisplay the rear left side image relative to the vehicle; and a fourthdisplay panel configured to display the rear right side image relativeto the vehicle.
 3. The system of claim 2, wherein the display correctiondevice adjusts a vertical tilt of each of the first to fourth displaypanels in an upward direction or a downward direction on the basis ofthe display correction value.
 4. The system of claim 2, wherein thedisplay correction device adjusts a horizontal tilt of each of the firstto fourth display panels in a left direction or a right direction on thebasis of the display correction value.
 5. The system of claim 1, whereinthe calculator includes a memory configured to store driver learningresult data, which is obtained by learning a height, a body type, aposture, a face size, an interorbital width, and an eye shape of each ofa plurality of people, and calculates an absolute position of the fieldof view of the driver on the basis of the learning result data.
 6. Adisplay system of a vehicle, comprising: a camera module configured tocapture vehicle surroundings; a display panel configured to display animage captured through the camera module; a driver pupil detectionsensor configured to sense a pupil of a driver; a driver posturedetection sensor configured to sense a posture of the driver; acalculator configured to calculate a display correction value of thedisplay panel on the basis of the sensed pupil of the driver and thesensed posture thereof; and a display correction device configured toadjust a horizontal tilt and a vertical tilt of the display panelaccording to the calculated display correction value.
 7. A method ofdriving a display system of a vehicle, comprising: sensing a pupil of adriver and generating pupil position data; sensing a position of thedriver, a body direction thereof, and a head height thereof andgenerating driver posture data; calculating a position of a field ofview of the driver on the basis of the pupil position data and thedriver posture data; generating a display correction value on the basisof the position of the field of view of the driver; and adjusting ahorizontal tilt and a vertical tilt of each of a plurality of displaypanels disposed at the vehicle on the basis of the display correctionvalue.
 8. The method of claim 7, further comprising adjusting thevertical tilt of each of the plurality of display panels in an upwarddirection or a downward direction on the basis of the display correctionvalue.
 9. The method of claim 7, further comprising adjusting thehorizontal tilt of each of the plurality of display panels in a leftdirection or a right direction on the basis of the display correctionvalue.
 10. The method of claim 7, further comprising: storing driverlearning result data, which is obtained by learning a height, a bodytype, a posture, a face size, an interorbital width, and an eye shape ofeach of a plurality of people, in a memory; and calculating an absoluteposition of the field of view of the driver on the basis of the driverlearning result data.
 11. A method of driving a display system of avehicle, comprising: sensing a pupil position of a driver; sensing aposture of the driver; and adjusting at least one of a horizontal tiltand a vertical tilt of a display device on the basis of the sensed pupilposition of the driver and the sensed posture thereof.